ABBOTT, C. (2012). 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER.
芝加哥风格引文ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. LONDON: RIDER, 2012.
MLA引文ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER, 2012.
警告：这些引文格式不一定是100％准确.